<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>TodoList</title>
  <script src='./vue.js'></script>
</head>
<body>
<div id="app">
  <input type="text" v-model="inputValue">
  <button v-on:click="btn">提交</button>
  <ul>
    <li v-for="item in list">{{item}}</li>
  </ul>
</div>
<script>
  var app = new Vue({
    el: '#app',
    data: {
      list: [],
      inputValue: ''
    },
    methods: {
      btn: function () {
        this.list.push(this.inputValue)
        this.inputValue = ''
      }
    }
  })
</script>
</body>
</html>
